ICU NIV

Question 1

what are the advantages of ICU NIV

Answer 1

Additional modes and support options
Additional alarms and monitoring capabilities
Precise FiO2, easy to change to invasive ventilation
Rebreathing CO2 usually not an issue

Question 2

What are the disadvantages of ICU NIV

Answer 2

Inability to tolerate excessive leaks causes trouble with triggering and cycling

Question 3

What are the mode available for NIV in servo I

Answer 3

PC and PS

Question 4

Why is volume based mode not used in NIV servoI

Answer 4

because flow is constant, cannot tell if there is a leak or not

Question 5

how does the triggering work in PC mode of servoI NIV

Answer 5

Detection of pressure < PEEP or expiratory volume decrease –> will start inspiration

Question 6

what happen if leak is >50Lpm in NIV of servo I

Answer 6

• Pause ventilation, issue high priority alarm
• Reduces Flow to 7.5 L/min
• Alarm: Leakage high, ventilation paused, check patient circuit
• Ventilation resumes if leakage is decreased

*these occur when leak is >15LPM in infant

Question 7

what is the maximum duration of PS breath in evita

Answer 7

Adult patient category to 4 seconds
Ped. patient category to 1.5 seconds
Neo. patient category to 1.5 seconds

Question 8

What mode can NIV used with in eVita

Answer 8

all modes except ILV

Question 9

is the Vt and Ve corrected when there is leak in evita?

Answer 9

NO

Question 10

what is the leak compensation of NIV in evita

Answer 10

Up to 30 L/min adults
Up to15 L/min pediatrics
Up to 7 L/min neonatal

Question 11

what are the modes of NIV in PB840

Answer 11

VC
PC
PS or CPAP

Not VC+ because it requires accurate volume measurement

Question 12

what are modes of NIV in Avea

Answer 12

No specific Mode for NIV
Can use any mode with leak compensation on
All controls and alarms are as with invasive